Files
MaxScale/cmake/FindMySQL.cmake
Johan Wikman 5e5a522d27 Rename EMBEDDED_LIB to MYSQL_EMBEDDED_LIB
Makes it clearer what embedded lib we are talking about.
2016-01-29 16:32:01 +02:00

118 lines
4.8 KiB
CMake

# This CMake file tries to find the the mysql_version.h header
# and to parse it for version and provider strings
# The following variables are set:
# MYSQL_VERSION - The MySQL version number
# MYSQL_PROVIDER - The MySQL provider e.g. MariaDB
# MYSQL_EMBEDDED_LIB - The MySQL embedded library
find_file(MYSQL_VERSION_H mysql_version.h PATH_SUFFIXES mysql)
if(MYSQL_VERSION_H MATCHES "MYSQL_VERSION_H-NOTFOUND")
message(FATAL_ERROR "Cannot find the mysql_version.h header")
else()
message(STATUS "Found mysql_version.h: ${MYSQL_VERSION_H}")
endif()
file(READ ${MYSQL_VERSION_H} MYSQL_VERSION_CONTENTS)
string(REGEX REPLACE ".*MYSQL_SERVER_VERSION[^0-9.]+([0-9.]+).*" "\\1" MYSQL_VERSION ${MYSQL_VERSION_CONTENTS})
string(REGEX REPLACE ".*MYSQL_COMPILATION_COMMENT[[:space:]]+\"(.+)\".*" "\\1" MYSQL_PROVIDER ${MYSQL_VERSION_CONTENTS})
string(TOLOWER ${MYSQL_PROVIDER} MYSQL_PROVIDER)
if(MYSQL_PROVIDER MATCHES "[mM]aria[dD][bB]")
set(MYSQL_PROVIDER "MariaDB" CACHE INTERNAL "The MySQL provider")
elseif(MYSQL_PROVIDER MATCHES "mysql")
set(MYSQL_PROVIDER "MySQL" CACHE INTERNAL "The MySQL provider")
elseif(MYSQL_PROVIDER MATCHES "percona")
set(MYSQL_PROVIDER "Percona" CACHE INTERNAL "The MySQL provider")
else()
set(MYSQL_PROVIDER "Unknown" CACHE INTERNAL "The MySQL provider")
endif()
message(STATUS "MySQL version: ${MYSQL_VERSION}")
message(STATUS "MySQL provider: ${MYSQL_PROVIDER}")
if(NOT MYSQL_PROVIDER STREQUAL "MariaDB")
message(WARNING "Not using a release version of MariaDB server. If this is intentional, please ignore this warning. Otherwise make sure the right libraries are installed and CMake finds the right libraries.")
endif()
if(MYSQL_VERSION VERSION_LESS 5.5.41)
message(WARNING "MySQL version is ${MYSQL_VERSION}. Minimum supported version is 5.5.41.")
endif()
if(NOT (MYSQL_VERSION VERSION_LESS 10.1))
# 10.1 needs lzma
find_library(HAVE_LIBLZMA NAMES lzma)
if(NOT HAVE_LIBLZMA)
message(FATAL_ERROR "Could not find liblzma")
endif()
set(LZMA_LINK_FLAGS "lzma" CACHE STRING "liblzma link flags")
endif()
if (DEFINED MYSQL_EMBEDDED_LIB)
if( NOT (IS_DIRECTORY ${MYSQL_EMBEDDED_LIB}) )
debugmsg("MYSQL_EMBEDDED_LIB is not a directory: ${MYSQL_EMBEDDED_LIB}")
if(${CMAKE_VERSION} VERSION_LESS 2.8.12 )
set(COMP_VAR PATH)
else()
set(COMP_VAR DIRECTORY)
endif()
get_filename_component(MYSQL_EMBEDDED_LIB ${MYSQL_EMBEDDED_LIB} ${COMP_VAR})
debugmsg("MYSQL_EMBEDDED_LIB directory component: ${MYSQL_EMBEDDED_LIB}")
endif()
debugmsg("Searching for the embedded library at: ${MYSQL_EMBEDDED_LIB}")
endif()
if(STATIC_EMBEDDED)
debugmsg("Using the static embedded library...")
set(OLD_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
if (DEFINED MYSQL_EMBEDDED_LIB)
debugmsg("Searching for libmysqld.a at: ${MYSQL_EMBEDDED_LIB}")
find_library(MYSQL_EMBEDDED_LIB_STATIC libmysqld.a PATHS ${MYSQL_EMBEDDED_LIB} PATH_SUFFIXES mysql mariadb NO_DEFAULT_PATH)
else()
find_library(MYSQL_EMBEDDED_LIB_STATIC libmysqld.a PATH_SUFFIXES mysql mariadb)
endif()
debugmsg("Search returned: ${MYSQL_EMBEDDED_LIB_STATIC}")
set(MYSQL_EMBEDDED_LIB ${MYSQL_EMBEDDED_LIB_STATIC} CACHE FILEPATH "Path to libmysqld" FORCE)
set(CMAKE_FIND_LIBRARY_SUFFIXES ${OLD_SUFFIXES})
else()
debugmsg("Using the dynamic embedded library...")
set(OLD_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
set(CMAKE_FIND_LIBRARY_SUFFIXES ".so")
if (DEFINED MYSQL_EMBEDDED_LIB)
debugmsg("Searching for libmysqld.so at: ${MYSQL_EMBEDDED_LIB}")
find_library(MYSQL_EMBEDDED_LIB_DYNAMIC mysqld PATHS ${MYSQL_EMBEDDED_LIB} PATH_SUFFIXES mysql mariadb NO_DEFAULT_PATH)
else()
find_library(MYSQL_EMBEDDED_LIB_DYNAMIC mysqld PATH_SUFFIXES mysql mariadb)
endif()
debugmsg("Search returned: ${MYSQL_EMBEDDED_LIB_DYNAMIC}")
set(MYSQL_EMBEDDED_LIB ${MYSQL_EMBEDDED_LIB_DYNAMIC} CACHE FILEPATH "Path to libmysqld" FORCE)
set(CMAKE_FIND_LIBRARY_SUFFIXES ${OLD_SUFFIXES})
endif()
unset(MYSQL_EMBEDDED_LIB_DYNAMIC)
unset(MYSQL_EMBEDDED_LIB_STATIC)
unset(OLD_SUFFIXES)
check_library_exists(${MYSQL_EMBEDDED_LIB} pcre_stack_guard ${MYSQL_EMBEDDED_LIB} HAVE_EMBEDDED_PCRE)
if(HAVE_EMBEDDED_PCRE)
set(PCRE_LINK_FLAGS "" CACHE INTERNAL "pcre linker flags")
else()
find_package(PCRE)
if(PCRE_FOUND)
set(PCRE_LINK_FLAGS "pcre" CACHE INTERNAL "pcre linker flags")
message(STATUS "Embedded mysqld does not have pcre_stack_guard, linking with system pcre.")
else()
message(FATAL_ERROR "Could not find PCRE libraries.")
endif()
endif()
if( (${MYSQL_EMBEDDED_LIB} MATCHES "NOTFOUND") OR (${MYSQL_EMBEDDED_LIB} MATCHES "NOTFOUND"))
message(FATAL_ERROR "Library not found: libmysqld. If your install of MySQL is in a non-default location, please provide the location with -DMYSQL_EMBEDDED_LIB=<path to library>")
else()
message(STATUS "Using embedded library: ${MYSQL_EMBEDDED_LIB}")
endif()